package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.mapper.DishMapper;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

@RestController
@RequestMapping("/admin/dish")
@Slf4j
@Api(tags = "菜品管理接口")
public class DishController {
    @Autowired
    private DishService dishService;
    @Autowired
    private DishMapper dishMapper;
    @Autowired
    private RedisTemplate redisTemplate;

    /**
     * 新增菜品
     * @param dishDTO
     * @return
     */
    @PostMapping
    @ApiOperation("新增菜品")
    public Result save(@RequestBody DishDTO dishDTO){
        log.info("新增菜品: {}",dishDTO);
        dishService.saveWithFlavor(dishDTO);

        //清理缓存数据
        String key="dish_"+dishDTO.getCategoryId();
        cleanCache(key);
        return Result.success();
    }

    /**
     * 菜品信息分页查询
     * @param dishPageQueryDTO
     * @return
     */
    @GetMapping("/page")
    @ApiOperation("菜品分页查询")
    public Result<PageResult> page( DishPageQueryDTO dishPageQueryDTO){
        log.info("菜品分页查询: {}",dishPageQueryDTO);
        PageResult pageResult=dishService.pageQuery(dishPageQueryDTO);
        return Result.success(pageResult);
    }

    /**
     * 批量删除菜品信息
     * @param ids
     * @return
     */
    @DeleteMapping
    @ApiOperation("批量删除菜品信息")
    public Result delete(@RequestParam List<Long> ids){
        log.info("菜品批量删除");
        dishService.deleteBatch(ids);

        //将所有的菜品缓存数据清理掉
        cleanCache("dish_*");
        return Result.success("删除成功");
    }

    @GetMapping("/{id}")
    @ApiOperation("根据id查询菜品")
    public Result<DishVO> getById(@PathVariable Long id){
        log.info("根据id查询菜品");
        DishVO dishVO=dishService.getByIdWithFlavor(id);
        return Result.success(dishVO);
    }

    @PutMapping
    @ApiOperation("修改菜品数据")
    public Result update(@RequestBody DishDTO dishDTO){
        log.info("修改菜品");
        dishService.updateWithFlavor(dishDTO);

        //将所有的菜品缓存数据清理掉
        cleanCache("dish_*");
        return Result.success();
    }

    @GetMapping("/list")
    @ApiOperation("根据分类查询菜品信息")
    public Result<List<Dish>> getByCategoryId(Long categoryId){
        log.info("根据分类查询菜品信息");
        List<Dish> dishes=dishService.getByCategoryId(categoryId);
        return Result.success(dishes);
    }

//    @PostMapping("/status/{status}")
//    @ApiOperation("菜品起售停售")
//    public Result<String> startOrStop(@PathVariable Integer status,Long id){
//        dishService.startOrStop(status,id);
//
//        //将所有的菜品缓存数据清理掉
//        Set keys = redisTemplate.keys("dish_*");
//        redisTemplate.delete(keys);
//
//        return Result.success();
//    }

    /**
     * 清理缓存数据
     * @param pattern
     */
    private void cleanCache(String pattern){
        Set keys=redisTemplate.keys(pattern);
        redisTemplate.delete(keys);
    }
}
